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PAL10872 (aspect retio not conform with specifications). Add picture for aspect ratio of hexahedron. Remove 2D formular from 3D aspect ratio page

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eap 2005-12-21 08:30:31 +00:00
parent 493903908d
commit deb5f024f2
2 changed files with 16 additions and 21 deletions
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37
doc/salome/gui/SMESH/aspect_ratio_3d.htm
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@ -97,29 +97,13 @@ else
<p>&nbsp;</p> <p>&nbsp;</p>
<p><img src="i_blue.jpg" x-maintain-ratio="TRUE" width="30px" height="30px" border="0" class="img_whs2">This mesh quality criterion resembles to the Aspect ratio <p><img src="i_blue.jpg" x-maintain-ratio="TRUE" width="30px" height="30px" border="0" class="img_whs2">This mesh quality criterion resembles to the Aspect ratio
criterion, however, it is also applied to 3D mesh elements: tetrahedrons, criterion, however, it is applied to 3D mesh elements: tetrahedrons,
pentahedrons, hexahedrons, etc. &nbsp;</p> pentahedrons, hexahedrons, etc. &nbsp;</p>
<p>There are 2 simple formulas to evaluate directly the value of quality <p>There are simple formulas to evaluate directly the value of quality
Qk for simplex in 2D and 3D. The formulas are :</p> Qk for simplex in 3D. The formulas are :</p>
<p>• For triangle :</p> <br>
<p>&nbsp;</p>
<p><img src="image21.gif" width="158px" height="110px" border="0" class="img_whs3"></p>
<p><img src="image23.gif" width="120px" height="48px" border="0" class="img_whs4"></p>
<p>where :</p>
<p>&nbsp;</p>
<p><img src="image27.gif" width="234px" height="96px" border="0" class="img_whs5"></p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>• For tetrahedron :</p> <p>• For tetrahedron :</p>
@ -136,7 +120,7 @@ else
<p>&nbsp;</p> <p>&nbsp;</p>
<p>For the other types of element like quadrangle, pentahedron and hexahedron <p>For the other types of element like pentahedron and hexahedron
the formula is the following :</p> the formula is the following :</p>
<p><img src="image30.gif" width="89px" height="32px" border="0" class="img_whs9"> </p> <p><img src="image30.gif" width="89px" height="32px" border="0" class="img_whs9"> </p>
@ -144,6 +128,17 @@ else
<p>Where Qi are the quality of all the possible simplex (of same dimension <p>Where Qi are the quality of all the possible simplex (of same dimension
as the element) that compose the element.</p> as the element) that compose the element.</p>
<p>For example, hexahedron is analysed via 6 tetrahedrons this way:</p>
<p><img src="image139.gif" border="0" class="img_whs10"> </p>
<p>&nbsp;</p>
<p>For 3D elements with quadrangular faces, aspect ratio of such faces
is also analysed and the maximal one over 3D and 2D qualities is taken.</p>
<p>&nbsp;</p>
<p>&nbsp;</p> <p>&nbsp;</p>
<p class="whs10"><span style="font-weight: bold;"><B>See Also</B></span> <p class="whs10"><span style="font-weight: bold;"><B>See Also</B></span>

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